ER

Edward F. Roof

📍 Salem, VA: #263 of 518 inventorsTop 55%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #4,081,549 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4244651 Impersonal eyepiece for astronomic positioning — 1981-01-13